- How can I install downloaded skin?
Answer:
- 1) Unpack archive with skin
2) Go to Main menu \ Preferences \ Interface \ Skins and open unpacked skin:

3) Apply selected skin via mouse double click
Or: you can install addons (skins, plugins and icons) for AIMP in simpler way: drag-n-drop zip-archive with addon to main window of app. Make sure that archive contains only one addon for the player.